Search over 10,000 free study notes

The nerve impulse arrives at the pre-synaptic knob. Gated voltage-sensitive calcium ion channels open and calcium ions rapidly diffuse into the pre-synaptic knob. The influx of calcium ions stimulates synapt...

Logging and subsequently harvesting trees removes nutrients, like phosphates, from the system. The removal of the vegetation that would also normally act as a protective cover and windbreak increases the rai...

Linkage occurs when the genes for two different characteristics are found on the same chromosome. This means that they do not independently assort during metaphase one of meiosis and so pass into gametes tog...

Roman Comedy There are very few plays extant from this period of Ancient Comedy The only complete Romans Comic plays that we have are twenty plays by Plautus and six plays by Terence (these authors were writ...

Many languages, for example Spanish, French, German and Russian give their nouns (naming words e.g. dog, table, grandmother) a gender. English is the exception here, so lucky us, but this does make it a bit ...